/// <summary>
/// The current flight's checkpoint's duration request method
/// </summary>
/// <param name="req">the request from the user side</param>
/// <returns>the response to the user side</returns>
public ResponseCheckpointDuration GetCheckpointDuration(RequestCheckpointDuration req)
{
double duration = default(double);
try
{
//if the flight' checkpoint has values
if (req.CheckpointSerial != "-1" || req.CheckpointType != null)
{
//set the local value using the repository
duration = ctRepo.GetCheckpoint(req.CheckpointSerial, req.CheckpointType).Duration;
}
}
catch (Exception e)
{
throw new Exception(e.Message);
}
return(new ResponseCheckpointDuration()
{
IsSuccess = true,
CheckpointDuration = duration
});
}
public ResponseCheckpointDuration GetCheckpointDuration(RequestCheckpointDuration req)
{
return(simService.GetCheckpointDuration(req));
}
/// <summary>
/// The flight's checkpoint promotion evaluation method
/// </summary>
/// <param name="sender">the proxy caller</param>
/// <param name="flight">the current flight object</param>
void SimProxy_OnPromotionEvaluationEvent(object sender, FlightDTO flight)
{
//a request is being made to the service in order to calculate the flight's next checkpoint
RequestFlightPosition reqPosition = new RequestFlightPosition()
{
//a hash of all the checkpoints flight serial
TxtblckNameFlightNumberHash = SetTxtblckHash(txtblckCheckpoints),
//a hash of the the stand-by flight serial list
LstvwNameFlightsListHash = SetLstvwHash(lstvwsCheckpoints),
//the cuurent flight's serial
FlightSerial = flight.FlightSerial.ToString(),
//bool value for is flight boarding
IsBoarding = EvaluateTerminalState(flight)
};
//the service retrieves all the data for the flight's next checkpoint & updates database
ResponseFlightPosition resPosition = simProxy.GetFlightPosition(reqPosition);
/**simproxy flight_timer hash update**/
//values to remove from the simproxy flight_timer hash
KeyValuePair <FlightDTO, Timer> keyToRemove = new KeyValuePair <FlightDTO, Timer>(flight, simProxy.flightsTimers[flight]);
//flight object with values in 'FlightSerial' property only
FlightDTO previousFlightObject = flight;
//flight object with full properties
flight = simProxy.GetFlight(flight.FlightSerial);
//values to replace the current flight_timer values in the simproxy hash
KeyValuePair <FlightDTO, Timer> keyToAdd = new KeyValuePair <FlightDTO, Timer>(flight, simProxy.flightsTimers[previousFlightObject]);
simProxy.UpdateflightsTimersHash(flight, keyToRemove, keyToAdd);
if (resPosition.IsSuccess)
{
/**current flight's timer's interval set to next checkpoint's duration**/
//if the next checkpoint in not to land or depart,
if (flight.Checkpoint != null && resPosition.NextCheckpointName != "Departed!")
{
//set timer's interval to updated flight's checkpoint's duration
double duration = flight.Checkpoint.Duration;
simProxy.flightsTimers[flight].Interval = duration;
}
//if the next checkpoint serial & type has values,
else if (resPosition.CheckpointSerial != -1 && resPosition.CheckpointType != null)
{
//request is made to service to retrieve the next checkpoint object
RequestCheckpointDuration reqDur = new RequestCheckpointDuration()
{
CheckpointSerial = resPosition.CheckpointSerial.ToString()
};
ResponseCheckpointDuration resDur = simProxy.GetCheckpointDuration(reqDur);
//and set timer's interval to next checkpoint duration
if (resDur.IsSuccess)
{
simProxy.flightsTimers[flight].Interval = resDur.CheckpointDuration;
}
}
/**binding data update**/
//if the last flight's position was in terminal
if (resPosition.LastCheckpointPosition == "txtblckFlightTerminal1" || resPosition.LastCheckpointPosition == "txtblckFlightTerminal2")
{
//update the binding data by next checkpoint serial
SwitchOnCheckpointSerial(airportUserControl.Dispatcher, resPosition.CheckpointSerial, resPosition.CheckpointType,
resPosition.NextCheckpointName, resPosition.LastCheckpointPosition, flight);
return;
}
//update binding data by next checkpoint's textblock or listview name property
bool?isFound = SwitchOnNextCheckpointName(airportUserControl.Dispatcher, resPosition.NextCheckpointName, flight);
//if last switch returns null,
if (isFound == null)
{
//check if the flight's next checkpoint is to cercle around or depart
if (resPosition.NextCheckpointName == "Departed!" || resPosition.NextCheckpointName == "No access to field!")
{
//dispose flight
simProxy.OnDispose(flight.FlightSerial);
KeyValuePair <FlightDTO, Timer> keyToDispose = new KeyValuePair <FlightDTO, Timer>(flight, simProxy.flightsTimers[flight]);
//dispose timer
simProxy.UpdateflightsTimersHash(null, keyToDispose, new KeyValuePair <FlightDTO, Timer>());
}
return;
}
//if the last switch returns false,
if (isFound == false)
{
//update the binding data by next checkpoint serial for all other checkpoints
SwitchOnCheckpointSerial(airportUserControl.Dispatcher, resPosition.CheckpointSerial, resPosition.CheckpointType,
resPosition.NextCheckpointName, resPosition.LastCheckpointPosition, flight);
}
}
}
